[INFO] fetching crate buildrs_playground 0.0.2...
[INFO] testing buildrs_playground-0.0.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate buildrs_playground 0.0.2 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate buildrs_playground 0.0.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buildrs_playground 0.0.2
[INFO] finished tweaking crates.io crate buildrs_playground 0.0.2
[INFO] tweaked toml for crates.io crate buildrs_playground 0.0.2 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1b038fa1903907c0ceb0906095f3c32f63299b281077b835521420c2fd8927e
[INFO] running `Command { std: "docker" "start" "-a" "c1b038fa1903907c0ceb0906095f3c32f63299b281077b835521420c2fd8927e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b038fa1903907c0ceb0906095f3c32f63299b281077b835521420c2fd8927e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b038fa1903907c0ceb0906095f3c32f63299b281077b835521420c2fd8927e", kill_on_drop: false }`
[INFO] [stdout] c1b038fa1903907c0ceb0906095f3c32f63299b281077b835521420c2fd8927e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6946ada44977a20aad3064e0ca6436fe1096e7c1ba635bac44939926ef1230ef
[INFO] running `Command { std: "docker" "start" "-a" "6946ada44977a20aad3064e0ca6436fe1096e7c1ba635bac44939926ef1230ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling buildrs_playground v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: build.rs
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "6946ada44977a20aad3064e0ca6436fe1096e7c1ba635bac44939926ef1230ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6946ada44977a20aad3064e0ca6436fe1096e7c1ba635bac44939926ef1230ef", kill_on_drop: false }`
[INFO] [stdout] 6946ada44977a20aad3064e0ca6436fe1096e7c1ba635bac44939926ef1230ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05b2d95451d56b304aeca9139f7b2217f11075beff6bc75c5cc675eba84e1b33
[INFO] running `Command { std: "docker" "start" "-a" "05b2d95451d56b304aeca9139f7b2217f11075beff6bc75c5cc675eba84e1b33", kill_on_drop: false }`
[INFO] [stderr] warning: build.rs
[INFO] [stderr]    Compiling buildrs_playground v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "05b2d95451d56b304aeca9139f7b2217f11075beff6bc75c5cc675eba84e1b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b2d95451d56b304aeca9139f7b2217f11075beff6bc75c5cc675eba84e1b33", kill_on_drop: false }`
[INFO] [stdout] 05b2d95451d56b304aeca9139f7b2217f11075beff6bc75c5cc675eba84e1b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b77ca318bc432ed44b32acf54cfdd75955f283a0c933f0972e641afab53abbe2
[INFO] running `Command { std: "docker" "start" "-a" "b77ca318bc432ed44b32acf54cfdd75955f283a0c933f0972e641afab53abbe2", kill_on_drop: false }`
[INFO] [stderr] warning: build.rs
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buildrs_playground-d96869eea7657fb3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buildrs_playground
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b77ca318bc432ed44b32acf54cfdd75955f283a0c933f0972e641afab53abbe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77ca318bc432ed44b32acf54cfdd75955f283a0c933f0972e641afab53abbe2", kill_on_drop: false }`
[INFO] [stdout] b77ca318bc432ed44b32acf54cfdd75955f283a0c933f0972e641afab53abbe2